189987668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{5647}}^1$

素因数の和:6311

約数の個数: 24

約数和(自身を含む): 358670592

約数和(自身を除く): 168682924

約数列:

[1, 2, 4, 13, 26, 52, 647, 1294, 2588, 5647, 8411, 11294, 16822, 22588, 33644, 73411, 146822, 293644, 3653609, 7307218, 14614436, 47496917, 94993834, 189987668]

約数ペア:

[(1, 189987668), (2, 94993834), (4, 47496917), (13, 14614436), (26, 7307218), (52, 3653609), (647, 293644), (1294, 146822), (2588, 73411), (5647, 33644), (8411, 22588), (11294, 16822)]